D
- John D'Acquisto
- Omar Daal
- Vic Darensbourg
- Ron Darling
- Jack Daugherty
- J. J. Davis
- Willie Davis
- Andre Dawson
- Boots Day
- Zach Day
- Rick DeHart
- Tomás de la Rosa
- José DeLeón
- Don Demola
- Mark DeRosa
- Delino DeShields
- Ian Desmond
- Ross Detwiler
- Einar Díaz
- Bill Dillman
- Miguel Diloné
- Tom Dixon
- John Dopson
- Melvin Dorta
- Scott Downs
- Ryan Drese
- Tim Drew
- Dan Driessen
- Rob Ducey
- Hal Dues
- Zach Duke
- Elijah Dukes
- Adam Dunn
- Steve Dunning
- Jim Dwyer
- Mike Dyer
- Duffy Dyer
Read more about this topic: Washington Nationals All-time Roster